package cn.webrx;

/**
 * <p>Project: jse2302 - Db
 * <p>Powered by webrx On 2023-06-16 15:15:43
 * <p>Created by IntelliJ IDEA
 *
 * @author  webrx [webrx@126.com]
 * @version 1.0
 * @since 17
 */
public interface Db {

}


interface A{}
interface B{}
interface C{}

interface D extends A,B,C{

}
class Person{

}
class User extends Person implements B,C{

}
